H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01) A61F 2/18 (2006.01) H04R 11/02 (2006.01) H04R 25/02 (2006.01)
Patent
CA 2270127
The invention relates to a transducer for partially or fully implantable hearing aids for direct mechanical excitation of the middle or inner ear. The transducer is provided with a housing fixedly mounted at the implantation site and a coupling element moveable with respect to the housing for transmitting vibration to the middle ear ossicle or directly to the inner ear. The housing accommodates a piezoelectric element with which the coupling element can be vibrated and an electromagnet arrangement including an electromagnetic component, such as an electormagnetic coil, fixedly mounted relative to the housing and a vibratory component, such as a permanent magnet, mechanically connected to the coupling element such that the vibration of the vibratory component is transferred to the coupling element.
Implex Aktiengesellschaft Hearing Technology
Mcfadden Fincham
Phonak Ag
LandOfFree
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